The council’s executive committee approved the next phase today (Wednesday), as well as a new roof and further improvements to the building.

Phase two - carried out over the next 10 years - will include an exhibition space for the National Galleries of Scotland as well as space for the Hunterian Museum and Charles Rennie Mackintosh exhibit the Mackintosh House, the Royal Highland Fusiliers Museum and the enhanced National Library of Scotland moving image archive.

It comes as the first phase - which includes a state-of-the-art Glasgow Club gym and huge range of sports halls - is set to open to the public later this summer.

Councillor Frank McAveety, leader of Glasgow City Council, said: “Kelvin Hall has long been one of Glasgow’s most iconic landmarks.

“With the first phase of works set to be complete later this summer, when an exciting new shared sporting, cultural and academic development opens its doors to the public, we are now forging ahead with the next stage of the project.

“Our planned investment will help secure this iconic building for the next generation. Glasgow is Scotland’s sporting, cultural and academic powerhouse and the redevelopment of the Kelvin Hall will help us build on that position in the months and years to come.”